Municipality in Hainaut
Companies in Seneffe
Active companies, associations and other legal entities with their registered office in Seneffe (7180, 7181), by activity, the largest according to the annual accounts and the newest.
Activities
By activity companies in Seneffe
70Activities of head offices and management consultancy9743Specialised construction activities9547Retail trade7246Wholesale trade5786Human health activities5062Computer programming, consultancy and related activities4668Real estate activities4171Architectural and engineering activities; technical testing and analysis4041Construction of residential and non-residential buildings3569Legal and accounting activities3301Crop and animal production, hunting and related service activities3256Food and beverage service activities3182Office administrative, office support and other business support activities3049Land transport and transport via pipelines2881Services to buildings and landscape activities25
All 64 activities
73Activities of advertising, market research and public relations2010Manufacture of food products1764Financial service activities, except insurance and pension funding1790Arts creation and performing arts activities1620Manufacture of chemicals and chemical products1425Manufacture of fabricated metal products, except machinery and equipment1385Education1352Warehousing, storage and support activities for transportation1196Personal service activities1166Activities auxiliary to financial services and insurance activities1074Other professional, scientific and technical activities1042Civil engineering977Rental and leasing activities938Waste collection, recovery and disposal activities893Sports activities and amusement and recreation activities822Manufacture of rubber and plastic products723Manufacture of other non-metallic mineral products795Repair and maintenance of computers, personal and household goods, and motor vehicles and motorcycles733Repair, maintenance and installation of machinery and equipment659Motion picture, video and television programme production, sound recording and music publishing activities687Residential care activities694Activities of membership organisations611Manufacture of beverages531Manufacture of furniture584Public administration and defence; compulsory social security588Social work activities without accommodation527Manufacture of electrical equipment455Accommodation472Scientific research and development475Veterinary activities419Manufacture of coke and refined petroleum products324Manufacture of basic metals332Other manufacturing363Computing infrastructure, data processing, hosting and other information service activities318Printing and reproduction of recorded media229Manufacture of motor vehicles, trailers and semi-trailers230Manufacture of other transport equipment253Postal and courier activities291Libraries, archives, museums and other cultural activities202Forestry and logging121Manufacture of basic pharmaceutical products and pharmaceutical preparations126Manufacture of computer, electronic and optical products128Manufacture of machinery and equipment n.e.c.135Electricity, gas, steam and air conditioning supply136Water collection, treatment and supply139Remediation activities and other waste management service activities160Programming, broadcasting, news agency and other content distribution activities161Telecommunication178Employment activities1
Annual accounts
Largest companies in Seneffe
By revenue
- 1Doyen AutoWholesale of motor vehicle parts and accessories€151.3m2025
- 2ChemvironManufacture of other chemical products n.e.c.€136.5m2025
- 3Dow Silicones BelgiumManufacture of industrial gases€131.8m2025
- 4TotalEnergies OneTech BelgiumResearch and experimental development on natural sciences and engineering€96m2025
- 5TotalEnergies Petrochemicals FeluyManufacture of industrial gases€74m2025
- 6Ineos FeluyManufacture of other organic basic chemicals€68.7m2025
- 7Unilin Insulation FeluyManufacture of builders’ ware of plastic€67.5m2025
- 8Etwal - Platteau InfraConstruction of utility projects for fluids€65.3m2025
- 9TotalEnergies Petrochemicals EcaussinnesManufacture of refined petroleum products and fossil fuel products€64.4m2025
- 10voestalpine Böhler Welding BelgiumCold drawing of bars€42.8m2026
By staff
- 1Dow Silicones BelgiumManufacture of industrial gases440 FTE2025
- 2Etwal - Platteau InfraConstruction of utility projects for fluids430 FTE2025
- 3TotalEnergies Petrochemicals FeluyManufacture of industrial gases386 FTE2025
- 4TotalEnergies OneTech BelgiumResearch and experimental development on natural sciences and engineering298 FTE2025
- 5KNDS BelgiumManufacture of weapons and ammunition246 FTE2025
- 6Doyen AutoWholesale of motor vehicle parts and accessories230 FTE2025
- 7Alysse FoodManufacture of bread; manufacture of fresh pastry goods and cakes217 FTE2024
- 8ChemvironManufacture of other chemical products n.e.c.181 FTE2025
- 9CastingparCasting of steel178 FTE2023
- 10Ineos FeluyManufacture of other organic basic chemicals176 FTE2025
According to the latest filed annual accounts. Revenue only appears in the full format; small companies usually do not report it. Figures only, no judgement.
New businesses
New in Seneffe
- 9 Nov 2026LN Médical
- 4 Nov 2026Orela
- 28 Oct 2026Symphysis
- 27 Oct 2026Terradrill Environnement
- 24 Oct 2026Am Solutions
- 21 Oct 2026OptConstruction of residential and non-residential buildings
- 13 Oct 2026RecysmashWholesale of other household goods
- 7 Oct 2026Néphro Corceo
Municipalities
Nearby
Source: CBE (registered office, establishments and main activity according to NACE-BEL 2025) and the filed annual accounts. Only active legal entities; we do not show sole proprietorships by name. Updated every night.
Other municipalities in Hainaut: Hainaut · All municipalities · All activities